Finding the Fourth Proportional to 21,096,736.97, 31,646,330.17 and 8,142,961.01
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Solution
The fourth proportional to 21,096,736.97, 31,646,330.17 and 8,142,961.01 is: 12,214,914.23
Step by Step Solution
- Step 1: Write the proportion equation
21,096,736.97 : 31,646,330.17 = 8,142,961.01 : x - Step 2: Convert to fraction form
21,096,736.97/31,646,330.17 = 8,142,961.01/x - Step 3: Cross multiply
21,096,736.97x = 31,646,330.17 × 8,142,961.01 - Step 4: Simplify right side
21,096,736.97x = 257,694,832,505,307.62 - Step 5: Solve for x
x = 257,694,832,505,307.62/21,096,736.97 - Step 6: Final answer
x = 12,214,914.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.